WTF/Account/ACCOUNTNAME - ACCOUNTNAME = your own Accountsname, not your battle.net email
WTF/Account/ACCOUNTNAME/SERVER - SERVER = your realm name you are playing on
WTF/Account/ACCOUNTNAME/SERVER/CHARACTERNAME = name of your character you want to use this ui on (simply copy and rename this folder for each character you want the ui to use for)

2. some addons in this package need to load a profile, therefore follow these steps: